Breath and Heart Beat
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✎ Suggest a correctionCombines two well-known Bray subjects. (a) How We Breathe, showing form, action, and function of human lungs, and the purification of the blood. (b) Action of the Human Heart, with clear animation explaining the complete circulatory system, and the pumping action of the heart valves.
Sources
- Bell & Howell Filmosound Library Catalog of Educational Motion Pictures, 1942 — title, creator, length, format, color, sound, genre, description
Record added 2026-09-26 21:16:36 · Suggest a correction